Sprue waste removing device

Abstract

The utility model discloses a sprue waste removing device, which belongs to the field of injection molding and comprises a workbench. A sprue cutting and polishing mechanism for cutting and polishing a sprue of a workpiece is mounted on the workbench; the workbench is provided with a polishing linkage fixing mechanism used for fixing a workpiece when the sprue cutting and polishing mechanism grinds the workpiece. The sprue cutting and polishing mechanism comprises a sprue cutting assembly, a grinding assembly, a movable driving assembly and a linkage assembly I; the workbench and the first linkage assembly are both connected with the sprue cutting assembly. The movable driving assembly is connected with the polishing assembly; the workbench and the first linkage assembly are both connected with the moving driving assembly. By means of the mode, after a sprue on the surface of a workpiece is cut off, the sprue-cut-off part can be polished and ground.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding field, concretely relates to a gate waste removal device. BACKGROUND

[0002] The gate waste removal device is a special equipment for automatically or semi-automatically removing residual materials of a workpiece gate after injection molding, which can precisely separate the waste materials by mechanical cutting, stamping or laser, thereby improving production efficiency and product appearance quality, and is commonly used in plastic product automatic production lines, and has the characteristics of simple operation, strong compatibility and low maintenance cost.

[0003] Chinese patent CN217098734U discloses a gate waste cleaning and collecting device for injection molded parts, which comprises a collecting frame and a supporting plate. A through hole is arranged in the middle of the supporting plate. Fixed devices are arranged on both sides of the collecting frame. The collecting frame is fixedly connected with the supporting plate through the fixed devices. A fixed block is fixedly connected to the bottom of the supporting plate. An electric telescopic rod is fixedly connected to the sidewall of the fixed block. A cutting machine is fixedly connected to the output end of the electric telescopic rod. A through hole is arranged on the surface of the supporting plate, which facilitates the insertion of the gate into the through hole. The fixed block is arranged below the supporting plate to install the electric telescopic rod and drive the cutting machine to move, thereby cutting the gate protruding from the through hole and making it fall into the collecting frame. The fixed devices are arranged to facilitate the installation of the collecting frame and the supporting plate by the workers, facilitate the maintenance of the equipment, and meet the use requirements. However, the device still has the following problems:

[0004] The surface of the workpiece after cutting the gate by using the device is not smooth enough after polishing. For large arc-shaped injection molded parts in automotive interior panels, it affects the aesthetic appearance and the workpiece qualification rate is affected by the unpolished residual materials after cutting the large arc-shaped injection molded parts.

[0005] Therefore, the utility model discloses a gate waste removal device to solve the above problems. UTILITY MODEL CONTENTS

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a gate waste removal device.

[0007] To achieve the above purpose, the utility model is realized by the following technical scheme:

[0008] A gate waste removal device, comprising a workbench;

[0009] A gate cutting and polishing mechanism for cutting and polishing the gate of the workpiece is installed on the workbench;

[0010] A polishing linkage fixing mechanism for fixing the workpiece when the gate cutting and polishing mechanism polishes the workpiece is installed on the workbench;

[0011] The gate cutting polishing mechanism comprises a gate cutting assembly, a polishing assembly, a moving driving assembly and a linkage assembly I; the workbench and the linkage assembly I are connected with the gate cutting assembly; the moving driving assembly is connected with the polishing assembly; the workbench and the linkage assembly I are connected with the moving driving assembly; the gate cutting assembly is used for cutting the gate of the workpiece, the polishing assembly is used for polishing the position of the workpiece after the gate is cut, the moving driving assembly is used for driving the polishing assembly to move, and the linkage assembly I is used for linking the moving driving assembly with the gate cutting assembly.

[0012] Furthermore, the gate cutting assembly comprises pneumatic cutting scissors, a sliding block I and a sliding rail I; the pneumatic cutting scissors are fixedly connected with the sliding block I, and the sliding block I is limitingly and slidably connected with the sliding rail I; the sliding rail I is fixedly connected with the workbench; the polishing linkage fixing mechanism and the linkage assembly I are connected with the pneumatic cutting scissors; the scissors at the front end of the pneumatic cutting scissors are arranged in an arc shape to match the workpiece, so as to facilitate the cutting of the gate of the workpiece.

[0013] Furthermore, the polishing assembly comprises a grinding belt, a driving roller, a driven roller, a fixed frame and a driving motor; the fixed frame is connected with the moving driving assembly; the driving motor is connected with the moving driving assembly; the driving end of the driving motor is fixedly connected with the driving roller, the driving roller and the driven roller are rotationally connected with the fixed frame, and the driving roller and the driven roller are transmissionally connected with each other through the grinding belt.

[0014] Furthermore, the moving driving assembly comprises a pneumatic cylinder, a sliding block II, a sliding rail II and a placing table; the driving end of the pneumatic cylinder is fixedly connected with the sliding block II; the right end of the pneumatic cylinder is fixedly connected with the workbench; the sliding block II is limitingly and slidably connected with the sliding rail II, the upper end of the sliding rail II is fixedly connected with the lower side of the workbench, the sliding block II is fixedly connected with the upper end of the placing table, and the lower end of the placing table is fixedly connected with the fixed frame; the driving motor is fixedly connected with the lower end of the placing table; the sliding block II is connected with the linkage assembly I.

[0015] Furthermore, the linkage assembly I comprises two hinged rods I and a connecting rod I; the two hinged rods I are respectively hingedly connected with the front end of the pneumatic cutting scissors and the rear end of the sliding block II, and the two ends of the connecting rod I are respectively hingedly connected with the two hinged rods I.

[0016] Furthermore, the polishing linkage fixing mechanism comprises a linkage assembly II, a fixing assembly and a limiting assembly; the grinding belt and the fixing assembly are connected with the linkage assembly II; the workbench and the limiting assembly are connected with the fixing assembly; the workbench is connected with the limiting assembly; two groups of the linkage assembly II are symmetrically arranged on the left and right sides of the pneumatic cutting scissors; the linkage assembly II is used for linking the pneumatic cutting scissors with the fixing assembly, the fixing assembly is used for fixing the workpiece when the grinding belt polishes the workpiece, so as to prevent the workpiece from being pushed out of the workpiece placing groove; and the limiting assembly is used for limiting the fixing assembly.

[0017] Further, the linkage assembly two comprises a connecting rod two and two hinged rods two; the two hinged rods two are hinged with the pneumatic cutting shear and the fixed assembly respectively; two ends of the connecting rod two are hinged with the two hinged rods two respectively.

[0018] Further, the fixed assembly comprises a fixed block and a fixed rod; the fixed block is hinged with the two hinged rods two at left and right ends respectively; the fixed block is connected with the limiting assembly, and a guide groove for guiding the position of the workpiece and preventing the workpiece from being clamped with the fixed block is formed in the front end of the fixed block; the upper end of the fixed rod is fixedly connected with the lower side of the workbench.

[0019] The utility model discloses compared with prior art, its beneficial effects are: 1, the utility model discloses can realize to the workpiece surface sprue and carry out polishing and grinding after cutting off,

[0020] 2, the utility model discloses can carry out polishing and grinding simultaneously through linkage organization and fix the workpiece. DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to be used in the embodiment or prior art description simple introduction. Obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0022] Figure 1 It is a perspective view of the sprue waste removing device of the utility model Figure 1 ;

[0023] Figure 2 It is a front view of the sprue waste removing device of the utility model

[0024] Figure 3 It is a perspective view of the sprue waste removing device of the utility model Figure 2 ;

[0025] Figure 4 It is a perspective view of the sprue waste removing device of the utility model Figure 3 ;

[0026] Figure 5 It is a perspective view of the sprue waste removing device of the utility model Figure 4 .

[0027] The numbers in the drawing respectively represent:

[0028] 1. Workbench; 2. Gate cutting and polishing mechanism; 21. Gate cutting assembly; 211. Pneumatic cutting shears; 212. Slider 1; 213. Slide rail 1; 22. Grinding assembly; 221. Abrasive belt; 222. Driven roller; 223. Driven roller; 224. Fixing frame; 225. Drive motor; 23. Moving drive assembly; 231. Cylinder; 232. Slider 2; 233. Slide rail 2; 234. Placement table; 24. Linkage assembly 1; 241. Hinge rod 1; 242. Connecting rod 1; 3. Polishing linkage fixing mechanism; 31. Linkage assembly 2; 311. Connecting rod 2; 312. Hinge rod 2; 32. Fixing assembly; 321. Fixing block; 322. Guide groove; 323. Fixing rod; 33. Limiting assembly; 331. Slider 3; 332. Slide rail 3. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0030] The terms "left," "right," "front," "back," "up," and "down" used in the following description refer to the orientation from the perspective of the front view.

[0031] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-5 A gate waste removal device, comprising a workbench 1;

[0032] The workbench 1 is equipped with a gate cutting and polishing mechanism 2 for cutting and polishing the gate of the workpiece.

[0033] The workbench 1 is equipped with a polishing linkage fixing mechanism 3 for fixing the workpiece when the gate cutting and polishing mechanism 2 polishes the workpiece;

[0034] like Figure 2 and Figure 3As shown, the gate cutting polishing mechanism 2 comprises a gate cutting assembly 21, a polishing assembly 22, a movement driving assembly 23 and a linkage assembly one 24; the workbench 1 and the linkage assembly one 24 are connected with the gate cutting assembly 21; the movement driving assembly 23 is connected with the polishing assembly 22; the workbench 1 and the linkage assembly one 24 are connected with the movement driving assembly 23; the gate cutting assembly 21 is used for cutting the gate of the workpiece, the polishing assembly 22 is used for polishing the position of the workpiece after cutting the gate; the movement driving assembly 23 is used for driving the polishing assembly 22 to move, and the linkage assembly one 24 is used for linking the movement driving assembly 23 with the gate cutting assembly 21;

[0035] In the utility model, the operator places the workpiece gate downward on the workbench 1, removes the gate of the workpiece through the gate cutting assembly 21, then starts the movement driving assembly 23 to drive the polishing assembly 22 to move and polish the gate cutting position, simultaneously, the movement driving assembly 23 drives the gate cutting assembly 21 to move through the linkage assembly one 24 to avoid the polishing assembly 22, simultaneously, the gate cutting assembly 21 links with the polishing linkage fixing mechanism 3 to fix the workpiece, thereby guaranteeing the polishing effect;

[0036] The gate cutting assembly 21 comprises pneumatic cutting scissors 211, sliding block one 212 and sliding rail one 213; the pneumatic cutting scissors 211 are fixedly connected with the sliding block one 212, and the sliding block one 212 is limitingly and slidably connected with the sliding rail one 213; the sliding rail one 213 is fixedly connected with the workbench 1; the polishing linkage fixing mechanism 3 and the linkage assembly one 24 are connected with the pneumatic cutting scissors 211;

[0037] The pneumatic cutting scissors 211 adopt the existing mature technology in the field, for example, the pneumatic clamping jaw disclosed in Chinese patent CN207841357U, wherein the upper jaw and the lower jaw are arc-shaped scissors that are attached to the workpiece and are used for cutting the gate;

[0038] The polishing assembly 22 comprises abrasive belt 221, driving roller 222, driven roller 223, fixed frame 224 and driving motor 225; the fixed frame 224 is connected with the movement driving assembly 23; the driving motor 225 is connected with the movement driving assembly 23; the driving end of the driving motor 225 is fixedly connected with the driving roller 222, the driving roller 222 and the driven roller 223 are rotationally connected with the fixed frame 224, and the driving roller 222 and the driven roller 223 are transmissionally connected through the abrasive belt 221;

[0039] The moving driving assembly 23 comprises a cylinder 231, a slider 232, a slide rail 233 and a placing table 234; the driving end of the cylinder 231 is fixedly connected with the slider 232; the right end of the cylinder 231 is fixedly connected with the workbench 1; the slider 232 is limitingly and slidably connected with the slide rail 233, the upper end of the slide rail 233 is fixedly connected with the lower side of the workbench 1, the slider 232 is fixedly connected with the upper end of the placing table 234, and the lower end of the placing table 234 is fixedly connected with the fixed frame 224; the driving motor 225 is fixedly connected with the lower end of the placing table 234; the slider 232 is connected with the linkage assembly 1 24;

[0040] The linkage assembly 1 24 comprises a hinge rod 241 and a connecting rod 242; the two hinge rods 241 are respectively hinged with the front end of the pneumatic cutting shear 211 and the rear end of the slider 232; and the two ends of the connecting rod 242 are respectively hinged with the two hinge rods 241;

[0041] In the utility model, the operator places the workpiece gate downward on the workbench 1, at the moment, the driving end of the pneumatic cutting shear 211 is aligned with the tail end of the gate, and the upper side of the grinding sand belt 221 abuts against the left end of the lower side of the workpiece; then the driving end of the pneumatic cutting shear 211 cuts the gate of the workpiece, simultaneously, the cylinder 231 drives the placing table 234 to limit sliding along the slide rail 233; the placing table 234 drives the driving motor 225, the driven roller 223, the driving roller 222 and the grinding sand belt 221 to move to the gate cutting position through the fixed frame 224, at the moment, the slider 232 drives the slider 1 212 to limit sliding downward along the slide rail 1 213 through the connecting rod 1 242 to avoid the placing table 234, simultaneously, the driving motor 225 drives the grinding sand belt 221 to polish the lower surface of the workpiece through the driving roller 222, so that the workpiece appearance and the qualified rate are improved;

[0042] As shown in the figure, Figure 2 The polishing linkage fixing mechanism 3 comprises linkage assemblies 31, a fixing assembly 32 and a limiting assembly 33; the grinding sand belt 221 and the fixing assembly 32 are connected with the linkage assemblies 31; the workbench 1 and the limiting assembly 33 are connected with the fixing assembly 32; the workbench 1 is connected with the limiting assembly 33; the two groups of linkage assemblies 31 are symmetrically arranged on the left and right sides of the pneumatic cutting shear 211; the linkage assemblies 31 are used for linkage between the pneumatic cutting shear 211 and the fixing assembly 32; the fixing assembly 32 is used for fixing the workpiece when the grinding sand belt 221 polishes the workpiece, so that the workpiece is prevented from being pushed out of the workpiece placing groove; and the limiting assembly 33 is used for limiting the fixing assembly 32;

[0043] The linkage assemblies 31 comprise connecting rods 311 and hinge rods 312; the two hinge rods 312 are respectively hinged with the pneumatic cutting shear 211 and the fixing assembly 32; and the two ends of the connecting rod 311 are respectively hinged with the two hinge rods 312;

[0044] The fixing assembly 32 comprises a fixing block 321 and a fixing rod 323; the left and right ends of the fixing block 321 are respectively hinged with two hinge rods 312; the fixing block 321 is connected with the limiting assembly 33, and the front end of the fixing block 321 is provided with a guide groove 322 for guiding the position of the workpiece and preventing the workpiece from being clamped with the fixing block 321; the upper end of the fixing rod 323 is fixedly connected with the lower side of the workbench 1;

[0045] The limiting assembly 33 comprises a sliding block three 331 and a sliding rail three 332; the fixing block 321 and the sliding block three 331 are fixedly connected, the sliding block three 331 is limitingly and slidably connected with the sliding rail three 332, and the sliding rail three 332 is fixedly connected with the workbench 1;

[0046] In the utility model, the operator places the workpiece gate downward on the workbench 1, the lower end of the workpiece is placed on the fixing rod 323, the gate of the workpiece is cut off after the pneumatic cutting scissors 211, the sliding block two 232 drives the grinding belt 221 to limit sliding downward along the sliding rail one 213 to avoid the placing table 234 at the same time, the pneumatic cutting scissors 211 drive the fixing block 321 to limit sliding forward along the sliding rail three 332 through the connecting rod two 311, and the upper end of the workpiece is guided and fixed by the lower end of the fixing block 321 through the guide groove 322, so that the workpiece is self-fixed during grinding.

[0047] The above embodiment is only used to illustrate the technical scheme of the utility model, and is not limited to it; although the utility model is described in detail with reference to the foregoing embodiment, those skilled in the art should understand that the technical scheme recorded in the foregoing embodiment can be modified, or part of the technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. A gate waste removal device, comprising a workbench (1), characterized in that: It also includes a gate cutting and polishing mechanism (2) and a polishing linkage fixing mechanism (3); The workbench (1) is equipped with a gate cutting and polishing mechanism (2) for cutting and polishing the gate of the workpiece; The workbench (1) is equipped with a polishing linkage fixing mechanism (3) for fixing the workpiece when the gate cutting and polishing mechanism (2) polishes the workpiece; The gate cutting and polishing mechanism (2) includes a gate cutting component (21), a grinding component (22), a moving drive component (23), and a linkage component (24); the worktable (1) and the linkage component (24) are both connected to the gate cutting component (21); the moving drive component (23) is connected to the grinding component (22); the worktable (1) and the linkage component (24) are both connected to the moving drive component (23); the gate cutting component (21) is used to cut the gate of the workpiece, the grinding component (22) is used to grind the position of the workpiece after the gate is cut; the moving drive component (23) is used to drive the grinding component (22) to move, and the linkage component (24) is used to link the moving drive component (23) with the gate cutting component (21).

2. The gate waste removal device according to claim 1, characterized in that, The gate cutting assembly (21) includes a pneumatic cutting shear (211), a slider (212), and a slide rail (213); the pneumatic cutting shear (211) is fixedly connected to the slider (212), and the slider (212) is slidably connected to the slide rail (213); the slide rail (213) is fixedly connected to the worktable (1); the polishing linkage fixing mechanism (3) and the linkage assembly (24) are both connected to the pneumatic cutting shear (211); the shears at the front end of the pneumatic cutting shear (211) are set as arc-shaped shears that fit the workpiece so as to fit the workpiece to cut the gate.

3. The gate waste removal device according to claim 2, characterized in that, The polishing assembly (22) includes a polishing belt (221), a drive roller (222), a driven roller (223), a fixed frame (224), and a drive motor (225); the fixed frame (224) is connected to the moving drive assembly (23); the drive motor (225) is connected to the moving drive assembly (23); the drive end of the drive motor (225) is fixedly connected to the drive roller (222), and both the drive roller (222) and the driven roller (223) are rotatably connected to the fixed frame (224). The drive roller (222) and the driven roller (223) are connected by transmission through the polishing belt (221).

4. The gate waste removal device according to claim 3, characterized in that, The moving drive assembly (23) includes a cylinder (231), a second slider (232), a second slide rail (233), and a placement platform (234); the driving end of the cylinder (231) is fixedly connected to the second slider (232); the right end of the cylinder (231) is fixedly connected to the worktable (1); the second slider (232) is limited and slidably connected to the second slide rail (233), the upper end of the second slide rail (233) is fixedly connected to the lower side of the worktable (1), the second slider (232) is fixedly connected to the upper end of the placement platform (234), and the lower end of the placement platform (234) is fixedly connected to the fixed frame (224); the drive motor (225) is fixedly connected to the lower end of the placement platform (234); the second slider (232) is connected to the first linkage assembly (24).

5. The gate waste removal device according to claim 4, characterized in that, The linkage component 1 (24) includes a hinge rod 1 (241) and a connecting rod 1 (242); the two hinge rods 1 (241) are respectively hinged to the front end of the pneumatic cutting scissors (211) and the rear end of the slider 2 (232), and the two ends of the connecting rod 1 (242) are respectively hinged to the two hinge rods 1 (241).

6. The gate waste removal device according to claim 3, characterized in that, The polishing linkage fixing mechanism (3) includes a linkage component two (31), a fixing component (32), and a limiting component (33); the abrasive belt (221) and the fixing component (32) are both connected to the linkage component two (31); the worktable (1) and the limiting component (33) are both connected to the fixing component (32); the worktable (1) is connected to the limiting component (33); the two sets of linkage components two (31) are symmetrically arranged on the left and right sides of the pneumatic cutting scissors (211); the linkage component two (31) is used to link the pneumatic cutting scissors (211) with the fixing component (32), and the fixing component (32) is used to fix the workpiece when the abrasive belt (221) polishes the workpiece to prevent the workpiece from being pushed out of the workpiece placement slot; the limiting component (33) is used to limit the fixing component (32).

7. The gate waste removal device according to claim 6, characterized in that, The linkage component two (31) includes a connecting rod two (311) and a hinge rod two (312); the two hinge rods two (312) are respectively hinged to the pneumatic cutting scissors (211) and the fixing component (32); the two ends of the connecting rod two (311) are respectively hinged to the two hinge rods two (312).

8. The gate waste removal device according to claim 7, characterized in that, The fixing component (32) includes a fixing block (321) and a fixing rod (323); the left and right ends of the fixing block (321) are respectively hinged to two hinge rods (312); the fixing block (321) is connected to the limiting component (33), and the front end of the fixing block (321) is provided with a guide groove (322) for guiding the position of the workpiece and preventing the workpiece from getting stuck with the fixing block (321); the upper end of the fixing rod (323) is fixedly connected to the lower side of the worktable (1).

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